2020. Impact of Exposure Period to Liquid Nitrogen Vapor on Criteria of Human Spermatozoa Cryopreserved in New Cryopreservation Technique. Indian Journal of Forensic Medicine & Toxicology. 14, 3 (Jul. 2020), 2379–2384. DOI:https://doi.org/10.37506/ijfmt.v14i3.10792.